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    <title>Document</title>
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<body>
    <script>
        let arr = [5, 3, 8, 4, 2];
        //冒泡排序
        for (let i = 0; i < arr.length - 1; i++) {
            for (let j = 0; j < arr.length - i - 1; j++) {
                if (arr[j] > arr[j + 1]) {
                    // 交换位置
                    let temp = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = temp;
                }
            }
        }
        document.write("Sorted Array: " + arr.join(", "));
    </script>
</body>
</html>